Vol. 053: Fang, Lan: A Spatial Model (SWAM) for Water Efficiency and Irrigation Technology Choices

In order to deal with the water scarcity problem, public and private sectors have made tremendous efforts worldwide. China is facing severe water shortage due to climatic, geographical and demographic factors. Especially, inefficient management and under-developed water conservation technology in agricultural sector are big problems for the government and farmers. The book provides theoretical and quantitative tools to manage water resource and irrigation projects efficiently. Meanwhile farmers’ choices of modern irrigation technology are taken into account to evaluate on-farm water efficiency. The study investigates the impact of public and private investment on water resources allocation and social welfare in an irrigation area using a spatial mathematical programming model. The results of the study show that aggregate water efficiency in an irrigation area will be improved significantly by increasing public and private investment in water conservation activities.

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